Top 100 IT Services Companies in the United States

Ad Victoriam Solutions is an IT consulting firm located in Alpharetta, Ga. It was founded in 2014 and has 60 employees. They also have an office in Nashville. They offer CRM consulting and SI, mobile app development, and custom software development services in the manufacturing, financial services, and health care and medical sectors.

Alligatortek is a software company headquartered in Chicago with an office in Oakbrook Terrace, Ill. Since 1993, their team of 59 has lent its services in custom software development, mobile app development, and cloud consulting & SI. They specialize in Azure, and have experience in working with frameworks such as .NET, AngularJS, and React Native.

Begin, LLC is a boutique app development company based in Denver, with offices in Chicago and Bloomington, Ill. The company, founded in 2016, has a team of less than five that provides custom software development, web development, and mobile app development services to companies and institutions in the business services, arts and entertainment, health care and medical, government, and media industries.

Established in 2022, Salesautomators is a CRM consulting and SI company. They are headquartered in Laguna Beach, California and have a small team. The company offers CRM consulting and SI, IT strategy consulting, other IT consulting and SI, business consulting, and more.

Advantage Technology, an IT managed services company, was established in 2001. The agency offers IT managed services, cybersecurity, IT strategy consulting, IT staff augmentation, and more and has a midsize team. The agency is based in Charleston, West Virginia; Bridgeport, West Virginia and Frederick, Maryland.

Layer8 Consulting, Inc., a cybersecurity company, was launched in 2002. They are in Westminster, Maryland and have a small team. Layer8 Consulting, Inc. Focuses on cybersecurity, IT strategy consulting, IT managed services, IT staff augmentation, and more.

Kyber Security is a cybersecurity company launched in 2017. Their small team is headquartered in Fairfield, Connecticut. The agency focuses on cybersecurity.

Model Technology Solutions is an IT strategy consulting company launched in 2014. They are located in Creve Coeur, Missouri and have a small team. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more.

Founded in 1997, FUSE3 is an IT managed services company. In Fair Oaks, California, their small team provides IT managed services.

ModSquad, a public relations company, was founded in 2007. In San Francisco, California, their midsize team offers public relations, IT managed services, IT staff augmentation, and IT strategy consulting.

US Resources, Inc. is an IT company founded in 1990 with more than 10 members. They offer cybersecurity, IT managed services, and IT strategy consulting from their office in Vienna, Va. They work with small and mid-market firms in the fields of legal, business, and financial services.

Oak-Tree Technologies, a small custom software development company, is located in Centerville, Utah and , . Founded in 2012, the team specializes in custom software development, Artificial Intelligence, BI & big data consulting & SI, cloud consulting & SI, and more.

Founded in 2005, Invemo is a tech company headquartered in Santa Monica with another location in IST, Turkey. Their team of 4 provide mobile app development, UX/UI design, IT strategy, and app modernization services to clients.

ScalaHosting LLC is a midsize IT managed services company founded in 2008. Their team focuses on IT managed services. The firm is in Dallas, Texas.

Philantech3 is a Spokane, Washington-based business consulting company. The agency offers business consulting, IT managed services, and cybersecurity and is small.The agency was launched in 2002.

Launched in 1997, WayPath Consulting is a web development firm. In Richmond, Virginia, their small team offers web development, other IT consulting and SI, CRM consulting and SI, IT managed services, and more.

LefeWare Solutions LLC is a Houston, Texas-based cloud consulting & SI and software development firm. The small team specializes in cloud consulting & SI and custom software development. The company was established in 2021.

Intivix is a Cloud and IT solutions company headquartered in San Francisco with offices in Corvallis, Ore. and Oakland, Calif. The company was founded in 1996 and now has a team of 20 that provides IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting. 

Six Consulting is a Microsoft and Salesforce provider based in Alpharetta, Ga. Founded in 2007, Six Consulting specializes in providing ECM consulting, productivity, collaboration, & UC consulting, SI, and cloud consulting services.

Astute Technology Management is an IT firm based in Dublin, Ohio with more than 10 experts. Founded in 1998, they specialize in IT managed services, cloud consulting, and cybersecurity solutions for small and mid-market firms across various industries.

Launched in 2000, Flagship Networks, Inc. Is an IT managed services company. They are based in Shelton, Connecticut and have a midsize team. The firm specializes in IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.

Advertas is a marketing firm founded in Houston in 2004 with fewer than 10 employees. They are experts in marketing strategy, branding, and UX/UI design solutions for clients ranging from small firms to large companies in the fields of energy and business services.

Big Chalk, a midsize big data company, is based in Evanston, Illinois. Founded in 2017, the team offers BI & big data consulting & SI, IT staff augmentation, digital strategy, and business consulting.

Squad4 is a business consulting company established in 2021. The small team provides business consulting, marketing strategy, and web design. The company is in Denver, Colorado.

Vasterra is a client-centric software development company based in London with over 50 members. Since their founding in 2010, they have provided custom software, web, and mobile app development solutions to small and medium-sized companies.

SyncShow is a content marketing company located in Rocky River, Ohio. The small firm was founded in 2002. Their services include content marketing, search engine optimization, web design, web development, and more.

LiSS Technologies is a small IT strategy consulting company. They provide IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, cybersecurity, and more and were founded in 1984.

Headquartered in Plano, Texas, Digicode is a midsize software development firm. The team provides custom software development, enterprise app modernization, web development, mobile app development, and more.

Coporate Information Technologies is a small Charlotte, North Carolina-based cybersecurity company. The team offers cybersecurity and IT managed services.

Pragmint is a Sacramento, California-based IT strategy consulting company. The small agency was launched in 2021. Their team focuses on IT strategy consulting and custom software development.